The Relationship between Body Mass Index and the Severity of Coronary Artery Disease in Patients Referred for Coronary Angiography

Table 2

Correlates of 1-year all-cause mortality calculated by Cox proportional hazards multiple regression analysis.

	Overall		SE	Wald	value	HR	95% CI
Age	61.2 ± 10.6	.044	.008	26.802	0.000	1.04	1.03–1.06
DJS
0 (referent category)	3410 (42.2%)			28.637	0.000
2	1595 (19.7%)	−.021	.253	.007	0.932	.98	.60–1.61
4	692 (8.6%)	.296	.277	1.14	0.286	1.35	.78–2.31
6	973 (12.0%)	−.017	.286	.003	0.953	.98	.56–1.72
8	483 (6.0%)	.761	.268	8.088	0.004	2.14	1.27–3.62
10	449 (5.6%)	.662	.282	5.501	0.019	1.94	1.12–3.37
12	198 (6.4%)	.998	.239	17.415	0.000	2.71	1.70–4.33
BMI category
Normal weight (referent category)	1297 (16.1)			4.213	0.122
Overweight	3072 (38)	−.341	.189	3.255	0.071	.71	.49–1.03
Obese	3710 (45.9)	−.356	.194	3.37	0.066	.70	.48–1.02
LV Grade
Grade I (referent category)	6778 (84.9)			50.146	0.000
Grade II	823 (10.3)	.309	.216	2.038	0.153	1.36	.89–2.08
Grade III	272 (3.4)	1.226	.222	30.423	0.000	3.41	2.20–5.27
Grade IV	114 (1.4)	1.568	.280	31.337	0.000	4.80	2.77–8.31
Hypertension	5234 (64.9%)	−.040	.179	.050	0.823	.96	.68–1.37
Diabetes	342 (36.9%)	.175	.161	1.18	0.277	1.19	.87–1.63
Family history of premature CAD	5076 (63.0%)	−.170	.155	1.19	0.274	.84	.62–1.14
CHF	160 (2.0%)	.384	.259	2.193	0.139	1.47	.88–2.44
PVD	361 (4.5%)	.517	.223	5.361	0.021	1.68	1.08–2.60
CVD	457 (5.7%)	−.041	.232	.032	0.859	.96	.61–1.51
COPD	1305 (16.2%)	.585	.166	12.379	0.000	1.79	1.29–2.49
Malignancy	352 (4.4)	.559	.238	5.522	0.019	1.75	1.10–2.79
Renal insufficiency	321 (4.0%)	.666	.305	4.75	0.029	1.95	1.07–3.54
CRF	182 (2.3)	.355	.375	.898	0.343	1.43	0.89–4.28
Dialysis	50 (0.6)	.665	.402	2.738	0.098	1.95	0.68–2.97
Current/former smoker	5551 (69.0%)	.196	.174	1.26	0.262	1.22	.86–1.71

BMI = body mass index; CHF = congestive heart failure; CI = confidence interval; COPD = chronic obstructive pulmonary disease; CRF = chronic renal failure; CVD = cerebrovascular disease; DJS = Duke Jeopardy Score; HR = hazard ratio; LV = left ventricular; PVD = peripheral vascular disease; SE = standard error.